// Copyright (C) 2014-2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include "../../include/crc/crc.hpp"
#include <iostream>
#include <string>
#include <iomanip>

namespace vsomeip_v3 {

/**
 * Calculates the crc over the provided range.
 *
 * @param begin Constant iterator pointing to begin of the range.
 * @param end Constant iterator pointing to end of the range.
 * @param startValue The crc value from previous call.
 * @return The calculated crc value.
 *
 * Parameters of the CRC:
 * - Width        = 8
 * - Poly         = 0x1D
 * - XorIn        = 0xFF
 * - ReflectIn    = false
 * - XorOut       = 0xFF
 * - ReflectOut   = false
 * - Algorithm    = table-driven
 */
uint8_t e2e_crc::calculate_profile_01(buffer_view _buffer_view, const uint8_t _start_value) {
    uint8_t crc = _start_value ^ 0xFFU;
    for (uint8_t byte : _buffer_view) {
        crc = static_cast<uint8_t>(lookup_table_profile_01_[static_cast<uint8_t>((byte) ^ crc)] ^ (crc >> 8U));
    }
    crc = crc ^ 0xFFU;
    return crc;
}

const uint8_t e2e_crc::lookup_table_profile_01_[256] = {
    0x00U, 0x1DU, 0x3AU, 0x27U, 0x74U, 0x69U, 0x4EU, 0x53U, 0xE8U, 0xF5U, 0xD2U, 0xCFU, 0x9CU, 0x81U, 0xA6U, 0xBBU,
    0xCDU, 0xD0U, 0xF7U, 0xEAU, 0xB9U, 0xA4U, 0x83U, 0x9EU, 0x25U, 0x38U, 0x1FU, 0x02U, 0x51U, 0x4CU, 0x6BU, 0x76U,
    0x87U, 0x9AU, 0xBDU, 0xA0U, 0xF3U, 0xEEU, 0xC9U, 0xD4U, 0x6FU, 0x72U, 0x55U, 0x48U, 0x1BU, 0x06U, 0x21U, 0x3CU,
    0x4AU, 0x57U, 0x70U, 0x6DU, 0x3EU, 0x23U, 0x04U, 0x19U, 0xA2U, 0xBFU, 0x98U, 0x85U, 0xD6U, 0xCBU, 0xECU, 0xF1U,
    0x13U, 0x0EU, 0x29U, 0x34U, 0x67U, 0x7AU, 0x5DU, 0x40U, 0xFBU, 0xE6U, 0xC1U, 0xDCU, 0x8FU, 0x92U, 0xB5U, 0xA8U,
    0xDEU, 0xC3U, 0xE4U, 0xF9U, 0xAAU, 0xB7U, 0x90U, 0x8DU, 0x36U, 0x2BU, 0x0CU, 0x11U, 0x42U, 0x5FU, 0x78U, 0x65U,
    0x94U, 0x89U, 0xAEU, 0xB3U, 0xE0U, 0xFDU, 0xDAU, 0xC7U, 0x7CU, 0x61U, 0x46U, 0x5BU, 0x08U, 0x15U, 0x32U, 0x2FU,
    0x59U, 0x44U, 0x63U, 0x7EU, 0x2DU, 0x30U, 0x17U, 0x0AU, 0xB1U, 0xACU, 0x8BU, 0x96U, 0xC5U, 0xD8U, 0xFFU, 0xE2U,
    0x26U, 0x3BU, 0x1CU, 0x01U, 0x52U, 0x4FU, 0x68U, 0x75U, 0xCEU, 0xD3U, 0xF4U, 0xE9U, 0xBAU, 0xA7U, 0x80U, 0x9DU,
    0xEBU, 0xF6U, 0xD1U, 0xCCU, 0x9FU, 0x82U, 0xA5U, 0xB8U, 0x03U, 0x1EU, 0x39U, 0x24U, 0x77U, 0x6AU, 0x4DU, 0x50U,
    0xA1U, 0xBCU, 0x9BU, 0x86U, 0xD5U, 0xC8U, 0xEFU, 0xF2U, 0x49U, 0x54U, 0x73U, 0x6EU, 0x3DU, 0x20U, 0x07U, 0x1AU,
    0x6CU, 0x71U, 0x56U, 0x4BU, 0x18U, 0x05U, 0x22U, 0x3FU, 0x84U, 0x99U, 0xBEU, 0xA3U, 0xF0U, 0xEDU, 0xCAU, 0xD7U,
    0x35U, 0x28U, 0x0FU, 0x12U, 0x41U, 0x5CU, 0x7BU, 0x66U, 0xDDU, 0xC0U, 0xE7U, 0xFAU, 0xA9U, 0xB4U, 0x93U, 0x8EU,
    0xF8U, 0xE5U, 0xC2U, 0xDFU, 0x8CU, 0x91U, 0xB6U, 0xABU, 0x10U, 0x0DU, 0x2AU, 0x37U, 0x64U, 0x79U, 0x5EU, 0x43U,
    0xB2U, 0xAFU, 0x88U, 0x95U, 0xC6U, 0xDBU, 0xFCU, 0xE1U, 0x5AU, 0x47U, 0x60U, 0x7DU, 0x2EU, 0x33U, 0x14U, 0x09U,
    0x7FU, 0x62U, 0x45U, 0x58U, 0x0BU, 0x16U, 0x31U, 0x2CU, 0x97U, 0x8AU, 0xADU, 0xB0U, 0xE3U, 0xFEU, 0xD9U, 0xC4U
};

/**
* Calculates the CRC over the provided range.
*
* @param begin Constant iterator pointing to begin of the range.
* @param end Constant iterator pointing to end of the range.
* @param startValue The CRC value from previous call.
* @return The calculated CRC value.
*
* Parameters of the CRC:
* - Width        = 32
* - Poly         = 0xF4ACFB13
* - XorIn        = 0xFFFFFFFF
* - ReflectIn    = true
* - XorOut       = 0xFFFFFFFF
* - ReflectOut   = true
*/
uint32_t e2e_crc::calculate_profile_04(buffer_view _buffer_view, const uint32_t _start_value) {

    uint32_t crc = (_start_value ^ 0xFFFFFFFFU);

    for (uint8_t byte : _buffer_view)
        crc = lookup_table_profile_04_[static_cast<uint8_t>(byte ^ crc)] ^ (crc >> 8U);

    return (crc ^ 0xFFFFFFFFU);
}

const uint32_t e2e_crc::lookup_table_profile_04_[256] = {
    0x00000000U, 0x30850FF5U, 0x610A1FEAU, 0x518F101FU, 0xC2143FD4U, 0xF2913021U, 0xA31E203EU, 0x939B2FCBU,
    0x159615F7U, 0x25131A02U, 0x749C0A1DU, 0x441905E8U, 0xD7822A23U, 0xE70725D6U, 0xB68835C9U, 0x860D3A3CU,
    0x2B2C2BEEU, 0x1BA9241BU, 0x4A263404U, 0x7AA33BF1U, 0xE938143AU, 0xD9BD1BCFU, 0x88320BD0U, 0xB8B70425U,
    0x3EBA3E19U, 0x0E3F31ECU, 0x5FB021F3U, 0x6F352E06U, 0xFCAE01CDU, 0xCC2B0E38U, 0x9DA41E27U, 0xAD2111D2U,
    0x565857DCU, 0x66DD5829U, 0x37524836U, 0x07D747C3U, 0x944C6808U, 0xA4C967FDU, 0xF54677E2U, 0xC5C37817U,
    0x43CE422BU, 0x734B4DDEU, 0x22C45DC1U, 0x12415234U, 0x81DA7DFFU, 0xB15F720AU, 0xE0D06215U, 0xD0556DE0U,
    0x7D747C32U, 0x4DF173C7U, 0x1C7E63D8U, 0x2CFB6C2DU, 0xBF6043E6U, 0x8FE54C13U, 0xDE6A5C0CU, 0xEEEF53F9U,
    0x68E269C5U, 0x58676630U, 0x09E8762FU, 0x396D79DAU, 0xAAF65611U, 0x9A7359E4U, 0xCBFC49FBU, 0xFB79460EU,
    0xACB0AFB8U, 0x9C35A04DU, 0xCDBAB052U, 0xFD3FBFA7U, 0x6EA4906CU, 0x5E219F99U, 0x0FAE8F86U, 0x3F2B8073U,
    0xB926BA4FU, 0x89A3B5BAU, 0xD82CA5A5U, 0xE8A9AA50U, 0x7B32859BU, 0x4BB78A6EU, 0x1A389A71U, 0x2ABD9584U,
    0x879C8456U, 0xB7198BA3U, 0xE6969BBCU, 0xD6139449U, 0x4588BB82U, 0x750DB477U, 0x2482A468U, 0x1407AB9DU,
    0x920A91A1U, 0xA28F9E54U, 0xF3008E4BU, 0xC38581BEU, 0x501EAE75U, 0x609BA180U, 0x3114B19FU, 0x0191BE6AU,
    0xFAE8F864U, 0xCA6DF791U, 0x9BE2E78EU, 0xAB67E87BU, 0x38FCC7B0U, 0x0879C845U, 0x59F6D85AU, 0x6973D7AFU,
    0xEF7EED93U, 0xDFFBE266U, 0x8E74F279U, 0xBEF1FD8CU, 0x2D6AD247U, 0x1DEFDDB2U, 0x4C60CDADU, 0x7CE5C258U,
    0xD1C4D38AU, 0xE141DC7FU, 0xB0CECC60U, 0x804BC395U, 0x13D0EC5EU, 0x2355E3ABU, 0x72DAF3B4U, 0x425FFC41U,
    0xC452C67DU, 0xF4D7C988U, 0xA558D997U, 0x95DDD662U, 0x0646F9A9U, 0x36C3F65CU, 0x674CE643U, 0x57C9E9B6U,
    0xC8DF352FU, 0xF85A3ADAU, 0xA9D52AC5U, 0x99502530U, 0x0ACB0AFBU, 0x3A4E050EU, 0x6BC11511U, 0x5B441AE4U,
    0xDD4920D8U, 0xEDCC2F2DU, 0xBC433F32U, 0x8CC630C7U, 0x1F5D1F0CU, 0x2FD810F9U, 0x7E5700E6U, 0x4ED20F13U,
    0xE3F31EC1U, 0xD3761134U, 0x82F9012BU, 0xB27C0EDEU, 0x21E72115U, 0x11622EE0U, 0x40ED3EFFU, 0x7068310AU,
    0xF6650B36U, 0xC6E004C3U, 0x976F14DCU, 0xA7EA1B29U, 0x347134E2U, 0x04F43B17U, 0x557B2B08U, 0x65FE24FDU,
    0x9E8762F3U, 0xAE026D06U, 0xFF8D7D19U, 0xCF0872ECU, 0x5C935D27U, 0x6C1652D2U, 0x3D9942CDU, 0x0D1C4D38U,
    0x8B117704U, 0xBB9478F1U, 0xEA1B68EEU, 0xDA9E671BU, 0x490548D0U, 0x79804725U, 0x280F573AU, 0x188A58CFU,
    0xB5AB491DU, 0x852E46E8U, 0xD4A156F7U, 0xE4245902U, 0x77BF76C9U, 0x473A793CU, 0x16B56923U, 0x263066D6U,
    0xA03D5CEAU, 0x90B8531FU, 0xC1374300U, 0xF1B24CF5U, 0x6229633EU, 0x52AC6CCBU, 0x03237CD4U, 0x33A67321U,
    0x646F9A97U, 0x54EA9562U, 0x0565857DU, 0x35E08A88U, 0xA67BA543U, 0x96FEAAB6U, 0xC771BAA9U, 0xF7F4B55CU,
    0x71F98F60U, 0x417C8095U, 0x10F3908AU, 0x20769F7FU, 0xB3EDB0B4U, 0x8368BF41U, 0xD2E7AF5EU, 0xE262A0ABU,
    0x4F43B179U, 0x7FC6BE8CU, 0x2E49AE93U, 0x1ECCA166U, 0x8D578EADU, 0xBDD28158U, 0xEC5D9147U, 0xDCD89EB2U,
    0x5AD5A48EU, 0x6A50AB7BU, 0x3BDFBB64U, 0x0B5AB491U, 0x98C19B5AU, 0xA84494AFU, 0xF9CB84B0U, 0xC94E8B45U,
    0x3237CD4BU, 0x02B2C2BEU, 0x533DD2A1U, 0x63B8DD54U, 0xF023F29FU, 0xC0A6FD6AU, 0x9129ED75U, 0xA1ACE280U,
    0x27A1D8BCU, 0x1724D749U, 0x46ABC756U, 0x762EC8A3U, 0xE5B5E768U, 0xD530E89DU, 0x84BFF882U, 0xB43AF777U,
    0x191BE6A5U, 0x299EE950U, 0x7811F94FU, 0x4894F6BAU, 0xDB0FD971U, 0xEB8AD684U, 0xBA05C69BU, 0x8A80C96EU,
    0x0C8DF352U, 0x3C08FCA7U, 0x6D87ECB8U, 0x5D02E34DU, 0xCE99CC86U, 0xFE1CC373U, 0xAF93D36CU, 0x9F16DC99U
};

/**
* Calculates the CRC over the provided range.
*
* @param begin Constant iterator pointing to begin of the range.
* @param end Constant iterator pointing to end of the range.
* @param startValue The CRC value from previous call.
* @return The calculated CRC value.
*
* Parameters of the CRC:
* - Width        = 32
* - Poly         = 0x4C11DB7
* - InitValue    = 0xFFFFFFFF
* - ReflectIn    = true
* - XorOut       = 0xFFFFFFFF
* - ReflectOut   = true
*/
uint32_t e2e_crc::calculate_profile_custom(buffer_view _buffer_view) {
    // InitValue
    uint32_t crc = 0xFFFFFFFFU;

    for (uint8_t byte : _buffer_view) {
        crc = lookup_table_profile_custom_[static_cast<uint8_t>(byte ^ crc)] ^ (crc >> 8U);
    }

    // XorOut
    crc = crc ^ 0xFFFFFFFFU;
    return crc;
}

const uint32_t e2e_crc::lookup_table_profile_custom_[256] = {
        0x00000000U, 0x77073096U, 0xEE0E612CU, 0x990951BAU, 0x076DC419U, 0x706AF48FU, 0xE963A535U, 0x9E6495A3U,
        0x0EDB8832U, 0x79DCB8A4U, 0xE0D5E91EU, 0x97D2D988U, 0x09B64C2BU, 0x7EB17CBDU, 0xE7B82D07U, 0x90BF1D91U,
        0x1DB71064U, 0x6AB020F2U, 0xF3B97148U, 0x84BE41DEU, 0x1ADAD47DU, 0x6DDDE4EBU, 0xF4D4B551U, 0x83D385C7U,
        0x136C9856U, 0x646BA8C0U, 0xFD62F97AU, 0x8A65C9ECU, 0x14015C4FU, 0x63066CD9U, 0xFA0F3D63U, 0x8D080DF5U,
        0x3B6E20C8U, 0x4C69105EU, 0xD56041E4U, 0xA2677172U, 0x3C03E4D1U, 0x4B04D447U, 0xD20D85FDU, 0xA50AB56BU,
        0x35B5A8FAU, 0x42B2986CU, 0xDBBBC9D6U, 0xACBCF940U, 0x32D86CE3U, 0x45DF5C75U, 0xDCD60DCFU, 0xABD13D59U,
        0x26D930ACU, 0x51DE003AU, 0xC8D75180U, 0xBFD06116U, 0x21B4F4B5U, 0x56B3C423U, 0xCFBA9599U, 0xB8BDA50FU,
        0x2802B89EU, 0x5F058808U, 0xC60CD9B2U, 0xB10BE924U, 0x2F6F7C87U, 0x58684C11U, 0xC1611DABU, 0xB6662D3DU,
        0x76DC4190U, 0x01DB7106U, 0x98D220BCU, 0xEFD5102AU, 0x71B18589U, 0x06B6B51FU, 0x9FBFE4A5U, 0xE8B8D433U,
        0x7807C9A2U, 0x0F00F934U, 0x9609A88EU, 0xE10E9818U, 0x7F6A0DBBU, 0x086D3D2DU, 0x91646C97U, 0xE6635C01U,
        0x6B6B51F4U, 0x1C6C6162U, 0x856530D8U, 0xF262004EU, 0x6C0695EDU, 0x1B01A57BU, 0x8208F4C1U, 0xF50FC457U,
        0x65B0D9C6U, 0x12B7E950U, 0x8BBEB8EAU, 0xFCB9887CU, 0x62DD1DDFU, 0x15DA2D49U, 0x8CD37CF3U, 0xFBD44C65U,
        0x4DB26158U, 0x3AB551CEU, 0xA3BC0074U, 0xD4BB30E2U, 0x4ADFA541U, 0x3DD895D7U, 0xA4D1C46DU, 0xD3D6F4FBU,
        0x4369E96AU, 0x346ED9FCU, 0xAD678846U, 0xDA60B8D0U, 0x44042D73U, 0x33031DE5U, 0xAA0A4C5FU, 0xDD0D7CC9U,
        0x5005713CU, 0x270241AAU, 0xBE0B1010U, 0xC90C2086U, 0x5768B525U, 0x206F85B3U, 0xB966D409U, 0xCE61E49FU,
        0x5EDEF90EU, 0x29D9C998U, 0xB0D09822U, 0xC7D7A8B4U, 0x59B33D17U, 0x2EB40D81U, 0xB7BD5C3BU, 0xC0BA6CADU,
        0xEDB88320U, 0x9ABFB3B6U, 0x03B6E20CU, 0x74B1D29AU, 0xEAD54739U, 0x9DD277AFU, 0x04DB2615U, 0x73DC1683U,
        0xE3630B12U, 0x94643B84U, 0x0D6D6A3EU, 0x7A6A5AA8U, 0xE40ECF0BU, 0x9309FF9DU, 0x0A00AE27U, 0x7D079EB1U,
        0xF00F9344U, 0x8708A3D2U, 0x1E01F268U, 0x6906C2FEU, 0xF762575DU, 0x806567CBU, 0x196C3671U, 0x6E6B06E7U,
        0xFED41B76U, 0x89D32BE0U, 0x10DA7A5AU, 0x67DD4ACCU, 0xF9B9DF6FU, 0x8EBEEFF9U, 0x17B7BE43U, 0x60B08ED5U,
        0xD6D6A3E8U, 0xA1D1937EU, 0x38D8C2C4U, 0x4FDFF252U, 0xD1BB67F1U, 0xA6BC5767U, 0x3FB506DDU, 0x48B2364BU,
        0xD80D2BDAU, 0xAF0A1B4CU, 0x36034AF6U, 0x41047A60U, 0xDF60EFC3U, 0xA867DF55U, 0x316E8EEFU, 0x4669BE79U,
        0xCB61B38CU, 0xBC66831AU, 0x256FD2A0U, 0x5268E236U, 0xCC0C7795U, 0xBB0B4703U, 0x220216B9U, 0x5505262FU,
        0xC5BA3BBEU, 0xB2BD0B28U, 0x2BB45A92U, 0x5CB36A04U, 0xC2D7FFA7U, 0xB5D0CF31U, 0x2CD99E8BU, 0x5BDEAE1DU,
        0x9B64C2B0U, 0xEC63F226U, 0x756AA39CU, 0x026D930AU, 0x9C0906A9U, 0xEB0E363FU, 0x72076785U, 0x05005713U,
        0x95BF4A82U, 0xE2B87A14U, 0x7BB12BAEU, 0x0CB61B38U, 0x92D28E9BU, 0xE5D5BE0DU, 0x7CDCEFB7U, 0x0BDBDF21U,
        0x86D3D2D4U, 0xF1D4E242U, 0x68DDB3F8U, 0x1FDA836EU, 0x81BE16CDU, 0xF6B9265BU, 0x6FB077E1U, 0x18B74777U,
        0x88085AE6U, 0xFF0F6A70U, 0x66063BCAU, 0x11010B5CU, 0x8F659EFFU, 0xF862AE69U, 0x616BFFD3U, 0x166CCF45U,
        0xA00AE278U, 0xD70DD2EEU, 0x4E048354U, 0x3903B3C2U, 0xA7672661U, 0xD06016F7U, 0x4969474DU, 0x3E6E77DBU,
        0xAED16A4AU, 0xD9D65ADCU, 0x40DF0B66U, 0x37D83BF0U, 0xA9BCAE53U, 0xDEBB9EC5U, 0x47B2CF7FU, 0x30B5FFE9U,
        0xBDBDF21CU, 0xCABAC28AU, 0x53B39330U, 0x24B4A3A6U, 0xBAD03605U, 0xCDD70693U, 0x54DE5729U, 0x23D967BFU,
        0xB3667A2EU, 0xC4614AB8U, 0x5D681B02U, 0x2A6F2B94U, 0xB40BBE37U, 0xC30C8EA1U, 0x5A05DF1BU, 0x2D02EF8DU
};

} // namespace vsomeip_v3

